No, this is not a risk. Oral sex is not a way that people get HIV even with a cut or bleeding involved. The only way adults get HIV is from unprotected vaginal or anal sex or sharing IV drug needles. Saliva and air inactivate the virus. Your cuts on your shaft were small (or you'd be in the hospital and not receiving a BJ) and this poses zero risk
No worries, because you can't get hiv from oral activities. Studies of infected people in an oral sex relationship or who have kissed have proven that the negative partner doesn't get hiv. HIV is effectively instantly dead in air plus also dead in saliva, and the person`s mouth always has those 2 hiv killers in it protecting the negative person from getting hiv via oral activities. Blood and cuts would not be relevant since the hiv has become effectively dead, so you don't have to look for them to be sure that you are safe.